Mar. 16—TRINITY — George Braxton Pegram may not have been "the father of the atomic bomb," but he sure helped with the delivery. By now, you've almost certainly heard of J. Robert Oppenheimer — the ...
Manhattan Project scientists working on the Thin Man plutonium gun assembly. Two atomic bombs nicknamed Little Boy and Fat Man were detonated over Hiroshima and Nagasaki in August 1945, effectively ...